Danusorn Sdisaithaworn, 10, poses for a portrait during an annual Poy Sang Long celebration, a traditional rite of passage for boys to be initiated as Buddhist novices, while he visits a relative's house outside Mae Hong Son, Thailand, April 4, 2018. REUTERS/Jorge Silva SEARCH "POY SANG" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

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April 26, 2018

Actor and comedian Bill Cosby arrives with his spokesman Andrew Wyatt for deliberations at his sexual...

Actor and comedian Bill Cosby arrives with his spokesman Andrew Wyatt for deliberations at his sexual...

Actor and comedian Bill Cosby arrives with his spokesman Andrew Wyatt for deliberations at his sexual assault retrial at the Montgomery County Courthouse in Norristown, Pennsylvania, U.S., April 26, 2018. REUTERS/Brendan McDermid

Syrian refugee and Olympic swimmer Yusra Mardini is pictured during a training session in a pool at the...

Syrian refugee and Olympic swimmer Yusra Mardini is pictured during a training session in a pool at the Olympic park in Berlin, Germany, April 12, 2018. Picture taken April 12, 2018. REUTERS/Fabrizio Bensch

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April 26, 2018

Houthi supporters hold picutres of the late Saleh al-Samad, a senior Houthi official, as they attend...

Houthi supporters hold picutres of the late Saleh al-Samad, a senior Houthi official, as they attend...

Houthi supporters hold picutres of the late Saleh al-Samad, a senior Houthi official, as they attend a rally to protest his killing by a Saudi-led coalition air strike in Hodeidah, in Sanaa, Yemen April 26, 2018. REUTERS/Mohamed al-Sayaghi TPX IMAGES OF THE DAY

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April 26, 2018

A new transforming robot called "J-deite RIDE" that transforms itself into a passenger vehicle, developed...

New transforming robot called "J-deite RIDE" that transforms itself into a passenger vehicle, developed...

A new transforming robot called "J-deite RIDE" that transforms itself into a passenger vehicle, developed by Brave Robotics Inc, Asratec Corp and Sansei Technologies Inc, is unveiled at a factory near Tokyo, Japan, April 25, 2018. Picture taken April 25, 2018. REUTERS/Toru Hanai

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April 26, 2018

Women hold portraits of their relatives, who are victims of the Chernobyl nuclear disaster, during a...

Women hold portraits of their relatives, who are victims of the Chernobyl nuclear disaster, during a...

Women hold portraits of their relatives, who are victims of the Chernobyl nuclear disaster, during a commemoration ceremony in Kiev, Ukraine April 26, 2018. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY

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April 26, 2018

An aerial view shows vehicles driving along a bridge across the Mana River during an ice drift near the...

A view shows vehicles driving along a bridge across the Mana River during an ice drift outside Krasnoyarsk...

An aerial view shows vehicles driving along a bridge across the Mana River during an ice drift near the Siberian village of Ust-Mana outside Krasnoyarsk, Russia April 26, 2018. REUTERS/Ilya Naymushin TPX IMAGES OF THE DAY

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April 26, 2018

Policemen collect trash in the waters off the beach at the holiday island of Boracay during the first...

Former White House Press Secretary Sean Spicer poses next to a newly unveiled wax figure of first lady...

Former White House Press Secretary Sean Spicer poses next to a newly unveiled wax figure of first lady Melania Trump standing next to a wax figure of her husband, U.S. President Donald Trump, at the Madame Tussauds in New York City, New York, U.S., April 25, 2018. REUTERS/Mike Segar TPX IMAGES OF THE DAY

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April 25, 2018

Supporters of Armenian opposition leader Nikol Pashinyan drive a car during a rally in Yerevan, Armenia...

Britain's Queen Elizabeth, Colonel-in-Chief of the Royal Tank Regiment, poses for a photograph after...

Britain's Queen Elizabeth, Colonel-in-Chief of the Royal Tank Regiment, poses for a photograph after presenting the regiment with their new standard in St George's Hall at Windsor Castle in Windsor, Britain, April 25, 2018. Steve Parsons/Pool via Reuters TPX IMAGES OF THE DAY

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April 25, 2018

Union members protest the proposed national minimum wage during a march in Durban, South Africa, April...

Protesters try to pull down the gates of the Legislative Yuan building during a rally against overhaul...

Protesters try to pull down the gates of the Legislative Yuan building during a rally against overhaul of the military and civil service pension funds in Taipei, Taiwan April 25, 2018. REUTERS/Tyrone Siu TPX IMAGES OF THE DAY

Children release butterflies during an event to wish for a successful inter-Korean summit, near the demilitarized...

Children release butterflies during an event to wish for a successful inter-Korean summit, near the demilitarized zone separating the two Koreas in Paju, South Korea, April 25, 2018. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY

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April 25, 2018

French President Emmanuel Macron toasts U.S. President Donald Trump during a State Dinner at the White...

Britain's Prince Harry and his fiancee Meghan Markle attend the Dawn Service at Wellington Arch to commemorate...

Britain's Prince Harry and his fiancee Meghan Markle attend the Dawn Service at Wellington Arch to commemorate Anzac Day in London, Britain, April 25, 2018. REUTERS/Toby Melville/Pool TPX IMAGES OF THE DAY

French President Emmanuel Macron greets Senate Pages after addressing a joint session of Congress at...

French President Emmanuel Macron greets Senate Pages after addressing a joint session of Congress at the U.S. Capitol in Washington, U.S., April 25, 2018. REUTERS/Aaron P. Bernstein TPX IMAGES OF THE DAY

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April 25, 2018

Trash bags filled with shredded paper are pictured outside the former residence of the Russian consul...